Tool spindle for wood shapers



oct. 4, 1927. l1,64*4A4-12 J. wfOSTMAN vToor. SPINDLE Fon woon SHAPERS Filed Nov. 9, 1925 F765 F/G-S M5352 Patented oci'. 4, 192.7.

' aoHN-'w'csmvren orV lvrruunerfotrs; lvrruun'sorn- "rootl ,sempre-ron' ,woon seltenes@ of Vsuch machines againstwliich" moldings,

.railS or, other wood piecesare held for cut- Vtmandshaping; i, v

'Y fill'nj obj ect ofV the isv jto provide i shaper'fspindle lming the cutting ,knife radially` n iounted therein. in such' a manner thfit the d'i-ameter'of ,the .spindle `may be rela-tively rsmalleer ascompared withspindles ,now in use, Jthereby fadaptingjt for cutting v comparatiyely small curveso'rj bends vin vthe work,such for instance, as the usualfbends or 4crooks in stair ease hand rails which arenow Y usually carved byh'and. Y

y f rrfurtherj and more specific object ofthe' inventionfis topro'vide'. .av Shaper spindle having slot .providedtherein ,tol receive the knife, thereby I allowing' the cutting .edge yof v the lcfntev to 'he .locatedcomparativelyfclcser to the axis of thespindleWith-the result that ythe sweep or. effective' radius-"0n which the Acutting edge of the knife trawels', will be'- c'cmparatiyely jsmalh thereby adapting the spindle for cutting' small f curves' or bends and,l atthe" Sametime, greatly simplifying Y ythe' constructionof the spindle.

' 'companying drawingsnand will,bepointed.V p y,

` f Y be vrepuredjdepending uponfthewidths vot- Vthe yknife iblades employed.v In Figure@ it 'will 'benoted that fthe knifebflade 198 .iscoml O therlobjects Qfjxthe invention will appear Yfrein the tollcwinggdescription and the "acout.. inthe annexed-claims. A e i i l the drawingsthfrehas been disclosed a' structure designed tol carry out theivarious ebljl'ects cf'theinvention", butit 'is to be understood that ,the invention is not confined tol-the exact e'aturesshown, vas 'varilous changes may v be' made within the scope of the'claims which Y ipart of this specilication,

follow;

'Inthe accompanying drawings forming ,'Figurel isa `sectional View showingA a y ,portion 'ctn Shaper work table andthe im- 'proved spindle mounted ftherein;

7 Figure is Ya perspective View shcwingl a curved rail positioned ag'ainst'the spindle A Figure 3 is a similar View showingl the improvedf-`v Aartnet-pi cutting the base or wider portionoftherai'l; Fguree'isa View showinglhowthe spindle may/be Aused'or cutting* a" small. groove or recessl intheledge of a board; and

"Figure i'sfa cross sectionalview of the spindle*A andY knife takenv fon the line 5 5 In'vthe'selected embodiment of the inven- 'the spindle 14 and the p Y n Figure 2 the use of a guide 4collar 126 Y is shown mounted upon theupper edge tot tion heres'hown, for purposes of disclosure, i

there 'is 'illustrated the work tablef-ot' a weed` Shaper, having anopening or .aperture 7 therein to receive the spindle/8 as shown.

The upper'face yof the work table 6 fis pro'- vided with t seat 9' Aadapted'tc `receive la -V Y Vflangedccfllarll inwhich a work supportror Y. f restA lQlisrmountedf as shown inFiguref 1 5. j Y ThisY ysijippcrt is provided with .an annular:

P? NT QE-Mgg' flange adapted to support the werk-While,

held against the: spindle 'as shown;

"An important feature ofV vhisfinventi''on resides 'inthe 'novel' construction cf the upper portion or tcolsupportingend "lll lothe spindle; This tool-supporting end 14 .ci the spindle is preferably'independentlyformed v and is demount'ably/ secured 4to the usual spin-dile 8 by such means as'f'the .thread-ed end portion l5 received in a threaded socket F16 in the spind'leS. "Thus the vupper end Iof the spindle' will be securely connectedto the spindle@ `forrduation therewith as fa'unit'. 1'

'if' A'knife-:receiving slot 17 isv provided ad- Vjnentthe upperiendo'f the spindle 14 adapted 'te receive the cutter or 'knife '18 securej ly held therein means of a. lock screwr'lfQ erablfV interposed' between fthe upper .edge of l reCeiVedj-'in a threaded socket-iin the lupper l fthekniffe'18 jan-dV theiterminal. of theflcck screw kk19. Various sizes of'liller blecksfmay' f parati-vely wider than lthe 'knife shown' in Figure l and also, that the iiller'block-21a is ,l

ther-etere considerably smallerthan the'one shc'w'npi-n Figure lf By .thusvagryingfthe sizes of ,thel filler blocksthe s101317 ,and lock 'screw-19 mayVV be made .standard kthe length l or' the slot: being sufficient to receive? the widestknite used.

" The upper -end of the lock screw Millas' i a Vthreadedl head 22: adapted 'to receive ;a

er abb7 interposed between the upperend lof the spindle' 14 to .guide the rail or wor-klas dit" f is heldagainst the knife bladelfSHdTphis e to provide a` guide for .'thework when one 1yY narrower dimension' thanpanother portion,

y. thereof. The diameter of this guide collar` j therefore; -isrgdependent uponj the am'ountfof A -Y overhang ofthe lowerportion of the rail;V

- 1n;` Figurelalfguide collar: ,26? isshown Amofunted'fupon the yspindle :below the knife gqblade 18'?, Vandcooperates lwith the spindle ',g'ff' tofguide.` the railorwor'kfin-a manner simi- ""lg'lartof that shown iny Figure 2. In this`lig' j nre-,z however, the V4position' of therail upon thefsupp'ort 137 is reversed fromV that, shown y in `1 `igni`re "2,-sol .that the '-vupperfport-ion, or baseof the .ra-il will befguided fbybeingheld against the' spindle r4whileth'elower, portion V"tlie'freofTwill be *guided byfthe'collar; 26,

' railor. workmay 1 `e accurately guided while fbeing eut lor shapV d.

'iyllffgrea4fillustrateshowv be usedfforcutting avrecess 27 in one edge Aof) aceboard, y When thuslvused acplate, 28 fais-, l. preferably-mounted in the seat'r9' of the i530"shaper'f'worliftable; ,Theiupper surface of Vthe platefc`28 kis. substantially flush with 'the faceoffhe worktable so'that the workmay the ftable Y* vat the'toprcircumscribing the opening, a cutcutting,."tools in 'the spindle 'as abovef'de- 'fscribed,-.and`as shown in: `Figure v5, the isp'in-v kameterIthereby'adaptinglis Afor use forcut-V :ff-itinfg small curves for bends such as are' fre-' Vquentlyr fused in f? the constructionV of fstair i iggasfshown,groves may be cu'tin the sides of s 45, i

and such".g grooves,willfbjel Substantially accu- Tate svaresult ofthe sweep orradial travel volf.the-cutting edge ofthe knife being com- I 150.5paratively closefto the axis of the spindle. Y

` -The lspindle 14 is?V also demountably seL cured-tothe. usual spindlehS of the Shaper se that `it may readilvbe removed therefron'u;V 4@and a smaller or Y largerA spindle substituted. if,jde`sired. '^The .spindle 8 tof the Shaper is 'operated 'byll th'e *usual driving mechanism vided- .with inea-ns a for verticallyY c `adjust-ing the working positionfof theV spindle to prop'- :erly align the cutting". tool with the r-kwork.v

:onlyv whencuttingwork having bends or portion thereof is'cut or-shaped to Va relativeyljfas for instance, in"Fi`gure 2 itwill benoted;` y Vthat the bottom or baselof-the *raily is comparatively'vrwider lthan theupper portion I claim as new and vdesire tosecure v,by Leta cap mounted fon 11 Thusl,.byfthe use ofthefguide collarsg26 and. T26* in ycolij uncti'onwith the spindle -14`the he spindle *may* vmunung the knifelbnde 01S aan for' 'gdlef my fbe madeY comparatively small indie hi/ind-i'ails;liv Itiwill also be seen that'fby radially vmounting Vthe. knife in the-spindle" continuation of the table.` ,fhandrailsforother work when held in the position shown jin .dotted lines "in :Figure i3,

'noial shown), Vwhichfmechanisin also. isl pro`V VThefu'se ofthe work support'12 is neccessaryl Y n Y j supporting ksleeve is arranged as aco-planar urvesrthcrei'n'. When the work is, comp ai:ia` y,continuationof the top surface'of; the table; Y velvfstraightf the plate28 will be usedin-H ,stead ofithe work support 12 so vthat thel work'inay beplaeeddirectly upon' the surface vof 'the Shaper table 6 and held against Y kthe spindle as shown in Figure 4.

' Having thus describedmy invention what ters Patent is l'. A tool spindle yfor wood shapers, hav- .f

ing an'opening therein adapted tofreceive a tool, a threadedisocletgin thefspindle, a

' lock screwk in "said socket yadapted to engage said tool, landloclz i'tkto said spindle, and

`means Vcovering vthe upper end lof said Vlockv screw. L

y 1, 2. A dez-mountable tool spindle for fslia'p'e'rs,v artransve-rse'slot in the spindleadapted to receive ai'tool,afthreadedvlock` screw terinjinally and axially yInounted'in saidspinA dle adapted tolock said tooly thereto, an'ei-y larg'ed threaded head on said lock screw, andA y said. head 'to provide a closure therefor; y

3; A demountable tool spindle fcrsh'apers, a. transverse slot in the spindle adapted 'i101l receive a cutting tool, a lthreadedrlockscrew Y terminally Vmounted Y in said spindle adapted .tc lock said 'tool/thereto, vaguide collarcn the spindle, "a: guide collar retaining washer mounted f on th'e'spindle, Van enlargedthreadf ed head on the locl'screw, anda cap mounted on, saidheadl and "adapted to secure' said washerrto said spindle.

ter :spindle ,traversing Y the openingv and-'ex- 4. yrdeviceof the classdes'cribed includi' l lng atable having an opening 'anda' vrecess Y 10o tending` above,theltable,a work-supporting Y Y sleeve about the spindlefcomprisingfa base y section havingqfa'flange fitting'. the recesscoterspindle traversing the opening and eX-` tending above the table,fawork-supporting sleeve` about the Yspindle comprising abase section having allange fitting the recess co-v planar with thetop surfaceA of-the table, and

l. a Workv rest section having aworking Ysur face of .small area, said restV section adapted ,to' be'removed',and said basesection reversedy inthe recess, toV provide a co-,planar continu-Y ation of the-table,said cutter'spindlefdemountably4 secured to a drive spindlejat'aV pointv below-the table,rto: permit removal,

and substitution ofv aV spindle of dili'erentV jplanar with-thetop surface'. of the table, vg- 'i yand avvork rest section jhaving ;a'working" 'jsurfacerrof Small area', saidreSbSeCiOIl I adapted to'befremoved,'and saidbasesect0n length, when the base sectionof thefworlr-l 1 Y 6.,.Adevice of the 'classi described includsovf" ing a table havingan opening anda recess V- at the topv circumscribing the opening, a cutter-carrying spindle traversing the opening, a vsleeve loosely surrounding the spindle above the table,` saidv sleevecomprising'separable sections, one'section providing an elei vated work rest surface of small area, and the other having a basel'lange littingwithin the recess co-planar with the upper space of the table. whereby one section can be removed and the other reversed in the recess, to provide a co-planar continuation of the top surifacefo'f the table.

7; A device of the class described-including `a table having an opening and a recess at the top circumscribing the opening, a cutter spindle traversing'the opening, a spoolshaped extension above the table surrounding the spindle as a work support comprisabove the table and having a radial cutterV tool, a. work support encircling the spindle below the cutter, an antiffriction sleeverotatable upon the spindle as a work guide and adapted to be placed VaboveV or below the cut? ter to be engaged byr a finished narrower portion of the work to guide the cut for the wider portion, whereby thespindle acts a guide while the cut is made at the` nar? rower end and whereby the collar is engaged by the finished vnarrow portion either above or below the tool to guide the cut at` thevr ywider portion while the work rests upon the support. f

9. In a device for guiding and cutting lumber to produce symmetrical molding having diiferent cross measurements at opposite enos, andv for forming suchk molding from straight lumber, or from curved stock of" small radius, which comprises a, table, a cut-` ter spindle-l of. small diameter projecting above the tableand having a radial cutter tool, a lwork `support encircling the kspindle below the cutter, anV anti-frictionrsleeverrotatable upon the spindle as a work guide andadapted to be placed above or below the cutter to be engaged byV a nished narrower portion of the work to guide the out for the wider portion, whereby the spindle acts as Aa` guidel while the cut is made Yat the narrower end and vwhereby-the collar is engaged by the iin-A ished' narrowA portion either above or below thetool to guide the cut at the wider portion while the work rests upon the supf,

port, said support havinga recess to re! ceive and support the sleeve with its lower end below the working surface of the support, below the cutter, and said s'pindlehaving a plate removably secured at its upper',`

end as a stop overhanging the sleeve, whenl said sleeve is above the cutter. n

In witness whereof, I have hereunto set my hand this 7th day of November, 1925.

JOHN wos'TMAN. 

